Fast Installation

Copy modules latex-syntax.jar and latex.jar from
dictionary contrib/latex/netbeans/modules from this package
into ${NB-USER-DIR}/modules.

Restart NetBeans.

In this case a few features are inaccesible:

spell checker (all words are considered incorrect)

code completion on words

help on LaTeX commands

Installation

Non-SPL code

The LaTeX support may use two non-SPL resources:

Dictionary

Help on LaTeX

These resources are not required,
but some features will be inaccessible. These resources can be get as described below:

The (english) dictionary can be downloaded here:
http://wordlist.sourceforge.net/
(get SCOWL and choose one dictionary from this package).
The dictionary should be placed in:
contrib/latex/external/dictionary.txt